Title of article
SimulationofMCCIwiththeTOLBIAC-ICBcodebasedonthephasesegregationmodelOriginalResearchArticle
Author/Authors
BertrandSpindler، نويسنده , , BrunoTourniaire، نويسنده , , Jean-MarieSeiler، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
7
From page
2264
To page
2270
Abstract
Intheeventofasevereaccidentinapressurizedwaterreactor,corium,amixtureofmoltenmaterialsissuedfromthefuel,claddingandstructuralelements,appearsinthereactorcore.Insomecircumstances,coriumislikelytomeltthroughthereactorpressurevesselandspreadovertheconcretebasematofthereactorpit.Moltencoreconcreteinteraction(MCCI)thenoccurs.Themainquestionthathastobeaddressedinthisscenarioiswhetherandwhenthecoriumwillmakeitswaythroughthebasemat.Forsomeyears,CEAisdevelopinganumericalcodenamedTOLBIAC-ICBinordertosimulatemoltencoreconcreteinteractioninreactorcase.ThegeneralapproachusedinthiscodeisbasedonthephasesegregationmodeldevelopedbyCEA.Thesolidphaseissupposedtobelocatedatthecoriumpoolboundariesasasolidcrustcomposedofrefractoryoxides,whereasthecoriumpoolcontainsnosolid.Theinterfacialtemperaturebetweenthecrustandthepoolistheliquidustemperaturecalculatedwiththecompositionofthepool.Theinteractionbetweenthermalhydraulics(massandenergybalances)andphysico-chemistry(liquidustemperature,crustcomposition,chemicalreaction)ismodelledthroughacouplingbetweenTOLBIAC-ICBandtheGEMINIcodeforthedeterminationofthephysico-chemistryvariables.ThemainpurposeofthispaperistopresentthemodellingusedinTOLBIAC-ICBandsomevalidationcalculationsusingthedataofexperimentsavailableintheliterature.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2006
Journal title
Nuclear Engineering and Design Eslah
Record number
941337
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